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Chloroformic acid: Difference between revisions

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Revision as of 13:02, 30 November 2010 editCheMoBot (talk | contribs)Bots141,565 edits Updating {{chembox}} (no changed fields - added verified revid - updated 'UNII_Ref', 'ChemSpiderID_Ref', 'StdInChI_Ref', 'StdInChIKey_Ref') per Chem/Drugbox validation (report [[Wikipedia_talk:Wi← Previous edit Latest revision as of 16:12, 19 April 2024 edit undoFrietjes (talk | contribs)Autopatrolled, Extended confirmed users, Template editors1,002,398 edits update template syntax 
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{{cleanup|date=May 2008}}
{{chembox {{chembox
| Watchedfields = changed
| verifiedrevid = 399713412 | verifiedrevid = 399714633
| ImageFileL1 = Chloroformic acid.png
| ImageFileL1 = Structural formula of chloroformic acid.svg
| ImageSizeL1 = 110px | ImageSizeL1 = 110
| ImageNameL1 = Structural formula | ImageAltL1 = Structural formula of chloroformic acid
| ImageFileR1 = Chloroformic-acid-3D-balls.png
| ImageFileR1 = Chloroformic acid 3D spacefill.png
| ImageSizeR1 = 120px | ImageSizeR1 = 110
| ImageNameR1 = Ball-and-stick model
| ImageAltR1 = Space-filling model of the chloroformic acid molecule
| IUPACName = Carbonochloridic acid
| PIN = Carbonochloridic acid<ref name=iupac2013>{{cite book | title = Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book) | publisher = ] | date = 2014 | location = Cambridge | pages = 776–777 | doi = 10.1039/9781849733069-FP001 | isbn = 978-0-85404-182-4}}</ref>
| OtherNames = Chlorocarbonic acid | OtherNames = Chloroformic acid<br />Chlorocarbonic acid
| Section1 = {{Chembox Identifiers |Section1={{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 144299 | ChemSpiderID = 144299
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| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = AOGYCOYQMAVAFD-UHFFFAOYSA-N | StdInChIKey = AOGYCOYQMAVAFD-UHFFFAOYSA-N
| CASNo_Ref = {{cascite|correct|??}}
| CASNo = 463-73-0 | CASNo = 463-73-0
| PubChem = 164602 | PubChem = 164602
| SMILES = ClC(=O)O | SMILES = ClC(=O)O
}} }}
| Section2 = {{Chembox Properties |Section2={{Chembox Properties
| Formula = CHClO<sub>2</sub> | Formula = {{chem2|ClCO2H}}
| H=1|Cl=1|C=1|O=2
| MolarMass = 80.47 g/mol
| Appearance = | Appearance =
| Density = | Density =
| MeltingPt = <!-- databases list 141 °C, but from the reaction of which it is claimed to be created, this seems like a chemial adjective or substring-match rather than the actual compound itself -->
| MeltingPt =
| BoilingPt = | BoilingPt =
| pKa = 0.27<ref name=metabolites>{{Cite web |url=https://hmdb.ca/metabolites/HMDB0250109 |title=Archived copy |access-date=2023-12-30 |archive-date=2023-12-10 |archive-url=https://web.archive.org/web/20231210184556/https://hmdb.ca/metabolites/HMDB0250109 |url-status=live }}</ref>
| Solubility = }} | Solubility =
| Section3 = {{Chembox Hazards
| RefractIndex = }}
|Section3={{Chembox Hazards
| MainHazards = | MainHazards =
| FlashPt = | FlashPt =
| Autoignition = }} | AutoignitionPt = }}
}} }}


'''Chloroformic acid''' is an unstable ] with the formula ClC<sub></sub>O<sub>2</sub>H. It is the single acyl-halide derivative of ] (] is the double acyl-halide derivative). Chloroformic acid is also structurally related to ], which has a ] instead of the ]. Despite the similar name, it is very different from ]. '''Chloroformic acid''' is a ] with the formula {{chem2|ClCO2H|auto=1}}. It is the single acyl-halide derivative of ] (] is the double acyl-halide derivative). Chloroformic acid is also structurally related to ], in a way that the non-acidic ] of formic acid is replaced by ]. Despite the similar name, it is very different from ]. It is described as unstable.<ref>{{cite journal |doi=10.1021/cr60261a005 |title=Chemistry of Formic Acid and Its Simple Derivatives |date=1969 |last1=Gibson |first1=Harry W. |journal=Chemical Reviews |volume=69 |issue=5 |pages=673–692}}</ref>

Chloroformic acid itself is too unstable to be handled for chemical reactions. However, many ]s of this ] are stable and these ]s are important reagents in organic chemistry. They are used to prepare mixed ]s used in ]. Like other related halocarbons, it is a potentially dangerous ].


Chloroformic acid itself is too unstable to be handled for chemical reactions. However, many ]s of this ] are stable and these ]s are important reagents in organic chemistry.<ref>{{cite journal |doi=10.1021/cr60232a004 |title=The Chemistry of Chloroformates |date=1964 |last1=Matzner |first1=Markus |last2=Kurkjy |first2=Raymond P. |last3=Cotter |first3=Robert J. |journal=Chemical Reviews |volume=64 |issue=6 |pages=645–687}}</ref> They are used to prepare mixed ]s used in ].
Important chloroformate esters include ], ], ] and ]. Important chloroformate esters include ], ], ] and ].


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==References== ==References==
{{Reflist}}
* {{cite web|url=http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=742051
| title = Chloroformic acid; Chlorocarbonic acid; Carbonochloridic acid|publisher=Dow Chemical|accessdate=20 May 2007}}
* {{cite web|url=http://www.inchem.org/documents/pims/chemical/pim352.htm|title=Monochloroacetic Acid|publisher=IPCS Inchem|accessdate=20 May 2007}}


{{DEFAULTSORT:Chloroformic Acid}} {{DEFAULTSORT:Chloroformic Acid}}
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